Ryoko Hamaguchi

Ideas and Innovations: Successful Maintenance of Implant-Based Breast Reconstruction in Recurrent Breast Cancer Treatment Using Tailored Tissue Expander Conversion

Ryoko Hamaguchi, Kimberly S. Khouri, Nicholas Leung, Emily Lafleur et autres

Patients with a prior mastectomy and implant-based breast reconstruction (IBR) who suffer breast cancer recurrence generally require wide excision followed by chest wall radiotherapy for definitive treatment. This typically results in poor cosmetic outcomes due to skin/soft tissue deficit, progressive capsular contracture …

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Rete Ridge Topography as a Determinant of Epidermal Stem Cell Identity: Implications for Skin Aging

Rui Fang, Ryoko Hamaguchi, S. Xu, Wonhye Lee et autres

ABSTRACT Stem cell niches are dynamic microenvironments that regulate tissue homeostasis. Epidermal stem cells (EpiSC) preferentially localize to concave regions of epidermal rete ridges, which serve as primary niches for stem cell maintenance. EpiSC number and functional integrity decline during chronological aging. …

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Performing Chondrolaryngoplasty for Facial Feminization

Chris T. Zhao, Ryoko Hamaguchi, Abie H. Mendelsohn

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Optimizing Nasal Tip Position

Ryoko Hamaguchi, Richard A. Bartlett, William G. Austen

BACKGROUND: Nasal tip position is a crucial aspect of rhinoplasty. To stabilize and define the nasal tip, various cartilaginous grafts have been widely utilized. The purpose of this systematic review is to critically evaluate and compare 2 prevalent grafting techniques: columellar strut …

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Postoperative Outcomes After Breast Reduction: Do Racial Disparities Exist?

Samuel Knoedler, Thomas Schaschinger, Harriet Kiwanuka, Ryoko Hamaguchi et autres

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A review of regenerative medicine and tissue engineering with a focus on wound healing and anti-aging

Ovya Ganesan, Harriet Kiwanuka, Ryoko Hamaguchi, Dennis P. Orgill

Regenerative medicine and tissue engineering explore the potential to enhance human healing, which is often limited by wound contraction, scarring, loss of function, and decreased quality of life. Biomaterials like synthetic scaffolds and implantable devices have been developed to circumvent the body's …

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Mitigating perioperative pressure injuries in microsurgical breast reconstruction

Amanda Fazzalari, Ryoko Hamaguchi, Shailesh Agarwal

Pressure injuries (PI) that develop in the operating room (OR) account for just under half of all hospital acquired pressure injuries (HAPI) and contribute significantly to the high cost and patient morbidity of HAPI. Microvascular autologous breast reconstruction poses specific risks to …

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Surgical Outcomes and Sociodemographic Disparities Across All Races: An ACS-NSQIP and NHIS Multi-Institutional Analysis of Over 7.5 Million Patients

Dany Y. Matar, Samuel Knoedler, Anthony Y. Matar, Sarah Friedrich et autres

Background: This study aims to fill the gap in large-scale, registry-based assessments by examining postoperative outcomes across diverse races/ethnicities. The focus is on identifying disparities and comparing them with socioeconomic demographics. Methods: In a registry-based cohort study using the 2008 to 2020 …

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P10. Impact of Animation Deformity on Patient-Reported Breast Reconstruction Outcomes: A Subpectoral vs. Prepectoral Planes Comparison

Ryoko Hamaguchi, Olivia Abbate Ford, Nicholas Leung, Tanujit Dey et autres

PURPOSE: The ideal plane for implant-based breast reconstruction (IBR) has gained increased attention as prepectoral reconstruction became popularized to avoid animation deformity (AD) typically associated with subpectoral reconstruction. Prepectoral IBR is limited by mastectomy flap quality with potentially higher complication risks, with …

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Improving the Retention of Low-Volume Autologous Fat Grafting: A Comparative Analysis of Lipoaspirate Processing Techniques for Facial Feminization

Katherine H. Carruthers, William G. Austen, Katya Remy, Ryoko Hamaguchi et autres

Abstract Background Outcomes following autologous fat grafting have historically been unpredictable because of variability in fat retention rates. The novel poloxamer wash, absorption, mesh filtration system (PWAS) uses proprietary technology to stabilize and concentrate lipoaspirate. Its use in low-volume fat grafting has …

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Evolution of Wound Healing

Ryoko Hamaguchi, Dennis P. Orgill

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Limited Incision Facelifts: A Contemporary Review of Approaches and Complications

Ricardo O. Amador, Ryoko Hamaguchi, Richard A. Bartlett, Indranil Sinha

Limited incision facelifts (LIFs) have gained popularity as an alternative to traditional facelift procedures. While surgical techniques vary, these approaches share a common goal: to rejuvenate the face while minimizing scar visibility. Previous studies also suggest that the reduced tissue dissection in …

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